Remove usage of Project during task execution

- Replace project with injected FileOperations object
- Replace project with logger as that's the only thing used

Fixes part of #454 issue

Test: existing tests pass

src/main/java/com/google/cloud/tools/gradle/appengine/appyaml/StageAppYamlTask.java

@@ -19,12 +19,17 @@
 
 import com.google.cloud.tools.appengine.AppEngineException;
 import com.google.cloud.tools.appengine.operations.AppYamlProjectStaging;
+import javax.inject.Inject;
 import org.gradle.api.DefaultTask;
+import org.gradle.api.internal.file.FileOperations;
 import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.TaskAction;
 
 /** Stage App Engine app.yaml based applications for deployment. */
-public class StageAppYamlTask extends DefaultTask {
+public abstract class StageAppYamlTask extends DefaultTask {
+
+ @Inject
+ abstract public FileOperations getFileOperations();
 
  private StageAppYamlExtension appYamlExtension;
 
@@ -40,8 +45,8 @@ public void setStagingConfig(StageAppYamlExtension stagingConfig) {
  /** Task entrypoint : Stage the app.yaml based application. */
  @TaskAction
  public void stageAction() throws AppEngineException {
- getProject().delete(appYamlExtension.getStagingDirectory());
- getProject().mkdir(appYamlExtension.getStagingDirectory().getAbsolutePath());
+ getFileOperations().delete(appYamlExtension.getStagingDirectory());
+ getFileOperations().mkdir(appYamlExtension.getStagingDirectory().getAbsolutePath());
 
  AppYamlProjectStaging staging = new AppYamlProjectStaging();
  staging.stageArchive(appYamlExtension.toAppYamlProjectStageConfiguration());

src/main/java/com/google/cloud/tools/gradle/appengine/core/DownloadCloudSdkTask.java

@@ -69,7 +69,7 @@ public void downloadCloudSdkAction()
  }
 
  ProgressListener progressListener = new NoOpProgressListener();
- ConsoleListener consoleListener = new DownloadCloudSdkTaskConsoleListener(getProject());
+ ConsoleListener consoleListener = new DownloadCloudSdkTaskConsoleListener(getLogger());
 
  // Install sdk if not installed
  if (!managedCloudSdk.isInstalled()) {

src/main/java/com/google/cloud/tools/gradle/appengine/core/DownloadCloudSdkTaskConsoleListener.java

@@ -20,12 +20,13 @@
 import com.google.cloud.tools.managedcloudsdk.ConsoleListener;
 import org.gradle.api.Project;
 import org.gradle.api.logging.LogLevel;
+import org.gradle.api.logging.Logger;
 
 public class DownloadCloudSdkTaskConsoleListener implements ConsoleListener {
- private Project project;
+ private Logger logger;
 
- public DownloadCloudSdkTaskConsoleListener(Project project) {
- this.project = project;
+ public DownloadCloudSdkTaskConsoleListener(Logger logger) {
+ this.logger = logger;
  }
 
  @Override
@@ -36,7 +37,7 @@ public void console(String rawString) {
  // is that Gradle redirects standard output to its logging system at the QUIET level. So, in
  // order to print to LIFECYCLE without adding a newline, we just check that our desired level
  // is enabled before trying to print.
- if (project.getLogger().isEnabled(LogLevel.LIFECYCLE)) {
+ if (logger.isEnabled(LogLevel.LIFECYCLE)) {
  System.out.print(rawString);
  }
  }